Home / 409,022.87-613,565.08-109,496.81

Finding the Fourth Proportional to 409,022.87, 613,565.08 and 109,496.81

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Solution

The fourth proportional to 409,022.87, 613,565.08 and 109,496.81 is: 164,253.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,022.87 : 613,565.08 = 109,496.81 : x
  2. Step 2: Convert to fraction form
    409,022.87/613,565.08 = 109,496.81/x
  3. Step 3: Cross multiply
    409,022.87x = 613,565.08 × 109,496.81
  4. Step 4: Simplify right side
    409,022.87x = 67,183,420,247.57
  5. Step 5: Solve for x
    x = 67,183,420,247.57/409,022.87
  6. Step 6: Final answer
    x = 164,253.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.